Meaning

noun one form in which body fuel is stored; stored primarily in the liver and broken down into glucose when needed by the body

originEtymology tree French glyco- Proto-Indo-European *ǵenh₁- Proto-Indo-European *-os Proto-Indo-European *ǵénh₁os Proto-Hellenic *génos Ancient Greek γένος (génos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -γενής (-genḗs)lbor. French -gène French glycogènebor. English glycogen Borrowed from French glycogène.

Etymology from Wiktionary, CC BY-SA 3.0